-
The computer alone has very little to do with interpersonal human communication BUT...
when when many are netowrked together they can mediate the communication that occurs between useres
-
ARPA
- Advaced Research Projects Agency
- US response to fear of nuclear war
-
ARPAs tasks?
- Create communication system that could withstand a nuclear strike
- Decentralized network of computers
-
ARPANET
- 1919 first decenteralized computer network
- Computer nodes at UCLA, USCB, Stanford, and University of Utah
- Unstable software
-
Where were the ARPANET computer nodes
Computer nodes at UCLA, USCB, Stanford, and University of Utah
-
TCP/IP
- Transmission Control Protocol/ Internet Protocol
- (Language spoken between computers)
-
MILNET?
Branched from ARPANET for military use
-
HTML
- (Hyper Text Mark up Language)
- allows for display of hyper text doc
-
HTTP
- Hyper Text Transfer Protocol
- set of rules allow transer of HTML between computers
-
The world wide web (www)
Inernet = interconnected computer networks(hardware)
-
First GUI web browser
- Netscape navigator
- Now owned by AOL
-
How does web browsing work?
- Your computer (the client) connects to another computer (the server) that contacts webpage data
- client can also be server
-
Dial up modem and high speed DSL both use
telephone jack
-
High speed cable uses
coaxial cable
-
How web browsing works
- Your computer>Modem>ISP>DNS>Destination
- (DNS not used on return)
-
URL
(Uniform Resource Locater)
-
TLDs?
more US being added
-
Internet moving from HTML to?
XML(web2.0)
-
Extensible Markup Language
- HTML: defines parameters of web content (font color, size, position)
- XML: defines the FUNCTION of web content (Headline, blog post, comment)
|
|
